Tales of innocence and experience: Tracey Emin, Paula Rego and Mat Collishaw at the Foundling Museum

A remarkable show opens today at Britain's first home for abandoned children, now the
Foundling Museum in London, featuring artists Tracey Emin, Paula Rego and Mat Collishaw. Here they talk about what it's like to install art in this unique space, and how responding to the museum's history touched on experiences that are painfully close to home – from Emin's abortive pregnancies to Rego's relationship with her mother